Butt joint mechanism based on BIM building pipeline construction

Abstract

The invention relates to the technical field of pipeline construction, in particular to a BIM (Building Information Modeling)-based building pipeline construction docking mechanism which comprises a base, two groups of pipe fixing assemblies are arranged above the base, and each pipe fixing assembly comprises a mounting ring, three positioning rods and three inclined rods fixedly mounted on the surfaces of the three positioning rods respectively; a plurality of penetrating openings are circumferentially formed in the outer ring wall of the mounting ring, the three positioning rods are slidably arranged in the penetrating openings correspondingly, through openings are formed in the surfaces of the inclined rods, a threaded rod is horizontally and rotatably mounted on the surface of the mounting ring, and the threaded rod is sleeved with a moving ring in a threaded mode; and a plurality of sliding rods are fixedly installed on the outer ring wall of the moving ring in a circumferential shape, and one ends of the multiple sliding rods penetrate through the multiple through openings correspondingly. According to the pipe fitting positioning device, pipe fittings of different sizes can be quickly positioned through the multiple positioning rods, meanwhile, the two positioned pipe fittings can be centered with high precision, position deviation caused by butt joint is avoided, and the quality of welded finished products is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline construction, and in particular to a BIM-based building pipeline construction docking mechanism. Background Art

[0002] With the development of building information modeling technology, its application in architectural design and construction management is becoming more and more extensive. When it comes to the actual construction stage, in order to better meet the construction requirements of BIM buildings, it is often necessary to achieve the end docking of multiple pipes through docking mechanisms and perform welding construction.

[0003] It is difficult to ensure high-precision centering when docking the ends of the pipes. Slight deviations are prone to occur during the docking process. These deviations may lead to poor sealing of the pipe fittings after welding, leakage, and affect the normal operation of the entire pipeline system. Summary of the invention

[0004] The purpose of the present invention is to solve the following shortcomings in the prior art: it is difficult to ensure high-precision centering when the docking structure docks the pipe ends, and slight deviations are prone to occur during the docking process. These deviations may cause poor sealing of the pipe fittings after welding, leakage, and affect the normal operation of the entire pipeline system. A docking mechanism based on BIM building pipeline construction is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A BIM-based building pipeline construction docking mechanism comprises a base, two groups of fixed pipe assemblies are arranged above the base, the fixed pipe assembly comprises a mounting ring, three positioning rods and three inclined rods respectively fixedly mounted on the surfaces of the three positioning rods, the outer ring wall of the mounting ring is circumferentially provided with a plurality of through-holes, the three positioning rods are respectively slidably arranged in the plurality of through-holes, the surface of the inclined rod is provided with through-holes, a threaded rod is horizontally rotatably mounted on the surface of the mounting ring, a moving ring is threadedly sleeved on the threaded rod, a plurality of L-shaped sliding rods are fixedly mounted on the outer ring wall of the moving ring in a circumferential shape, one end of the plurality of sliding rods respectively passes through a plurality of through-holes, and the surface of the sliding rod is in sliding contact with the wall of the through-hole; A round rod is vertically fixedly installed on the upper surface of the base, and a vertical rod is fixedly installed on the lower surface of the mounting ring. The bottom end of one of the vertical rods is fixedly connected to the upper surface of the base, and a rotating plate is fixedly installed on the bottom end of the other vertical rod, and the rotating plate is rotatably sleeved on the round rod.

[0006] As a preferred solution, an arc-shaped groove with the round rod as the center is provided on the upper surface of the base, a support rod is fixedly installed on the lower surface of the rotating plate, the bottom end of the support rod is slidably configured in the arc-shaped groove, and a spherical groove is provided, a ball is roamingly embedded in the spherical groove, and the ball is in rolling contact with the groove wall of the arc-shaped groove.

[0007] As a preferred solution, a rectangular opening is formed at one end of the positioning rod away from the oblique rod, a first rotating shaft is horizontally rotatably installed in the rectangular opening, and a roller is fixedly sleeved on the first rotating shaft.

[0008] As a preferred scheme, an L-shaped connecting rod is symmetrically fixedly installed on the upper surface of one of the positioning rods, a fixing ring is fixedly installed on the end of the connecting rod, a water storage bottle is fixedly installed in the fixing ring, and slides are horizontally installed on the left and right side walls of the positioning rod through mounting components, a water trough is opened at one end of the slide, a piston plate is inserted in the water trough for sliding sealing, a water inlet hose is fixedly installed on the upper surface of the slide, the two water inlet hoses are respectively connected with the two water storage bottles, the piston plate is connected to the groove wall of the water trough through a telescopic component, a hollow rod is fixedly installed on the surface of the positioning rod, an insertion rod is slidably inserted in the hollow rod, a fixing rod is symmetrically fixedly installed on the surface of one end of the insertion rod, a water outlet hose is fixedly installed on one end of the slide, the two fixing rods are respectively fixedly sleeved on the two water outlet hoses, a one-way valve is provided in the water outlet hose and the water inlet hose, and the piston plate controls the lateral reciprocating movement through a pressing component.

[0009] As a preferred solution, the telescopic component includes a telescopic spring, and two ends of the telescopic spring are respectively fixedly connected to one end of the piston plate and the groove wall of the water groove.

[0010] As a preferred embodiment, the pressure assembly includes a second rotating shaft horizontally rotatably installed in one of the rectangular openings, two sprockets and a chain, one of the sprockets is fixedly sleeved on the second rotating shaft, and the other sprocket is fixedly sleeved on one of the first rotating shafts, the chain is meshed and wound around the two sprockets, and a plurality of pressure blocks are fixedly installed at equal intervals on the outer surface of the chain, and a force block is fixedly installed at one end of the piston plate located outside the water tank, the longitudinal sections of the force block and the pressure block are both isosceles triangles, and the inclined surface of the force block is arranged face to face with the inclined surface of the pressure block.

[0011] As a preferred solution, the mounting component includes an L-shaped mounting block fixedly mounted on the side wall of the positioning rod located at the top of the mounting ring fixedly connected to the base, a sliding opening is opened on the surface of the mounting block, the slide plate is horizontally slidably arranged in the sliding opening, and a guide component is provided on the outer ring wall of one of the mounting rings, and the guide component is used to control the lateral relative movement of the two slide plates during the vertical movement of the two slide plates.

[0012] As a preferred embodiment, the guide component includes two straight rods symmetrically and obliquely fixedly installed on the outer ring wall of the mounting ring, the straight rod surfaces are obliquely provided with guide openings, the slide plate is fixedly provided with a push rod on the surface close to the straight rods, the two push rods are respectively slidably arranged in the two guide openings, and the surfaces of the push rods are in sliding contact with the walls of the guide openings.

[0013] As a preferred solution, the one-way valve in the water inlet hose is connected in a direction from the water storage bottle to the water tank, and the one-way valve in the water outlet hose is connected in a direction from the water tank to the outside.

[0014] As a preferred solution, a plurality of rubber protrusions are fixedly mounted on the inner rod wall of the hollow rod in a circumferential shape, and the surface of the insertion rod is in sliding contact with the surface of the rubber protrusions.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. Multiple positioning rods can quickly complete the positioning of pipes of different sizes. At the same time, the two positioned pipes can be centered with high precision, avoiding position deviation during docking and improving the quality of the finished product after welding. 2. One of the fixed pipe components used to position the pipe can slide on the base, so that the docking mechanism can also dock the joints of the bent pipe stably. The objects that can be docked are not only straight pipes, which improves the applicability of the device; 3. During the rotation welding of the butt joint of the pipe fitting, the water in the water storage bottle will intermittently spray out from the water outlet hose and flow to the butt joint of the pipe fitting, and then slide down along the curved surface of the pipe fitting. On the one hand, the water can cool down the welded weld in time, and on the other hand, it can clean the unwelded parts and prevent the other parts from overheating and deformation. 4. The amount of water sprayed can be automatically adjusted according to the diameter of the positioned pipe. When the diameter of the pipe is larger, the size of the pipe joint is also larger, and the amount of water sprayed will be more. When the diameter of the pipe is smaller, the size of the pipe joint is also smaller, and the amount of water sprayed will be less, avoiding waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front three-dimensional structural schematic diagram of a BIM-based building pipeline construction docking mechanism proposed by the present invention; Figure 2 It is a schematic diagram of a partial three-dimensional structure of the rotating plate and the mounting ring; Figure 3 It is a schematic diagram of a partial three-dimensional structure of the vertical rod and the mounting ring; Figure 4 It is a schematic diagram of a part of the three-dimensional structure at the positioning rod; Figure 5It is a schematic diagram of a partial three-dimensional cross-sectional structure of a water storage bottle, a skateboard and a piston plate; Figure 6 for Figure 5 The enlarged structural diagram at B in the middle; Figure 7 It is a schematic diagram of a partial cross-section structure at the positioning rod; Figure 8 It is a partial three-dimensional structural diagram of the chain, sprocket, slide plate, force block and pressure block; Fig. 9 for Figure 3 The enlarged structural diagram at A in the middle; Fig.10 It is a schematic diagram of the local split structure at the hollow rod and the inserted rod.

[0017] In the figure: 1 base, 2 round rod, 3 arc groove, 4 mounting ring, 5 positioning rod, 6 oblique rod, 7 through port, 8 threaded rod, 9 moving ring, 10 sliding rod, 11 vertical rod, 12 rotating plate, 13 supporting rod, 14 rolling ball, 15 rectangular port, 16 first rotating shaft, 17 roller, 18 connecting rod, 19 fixing ring, 20 water storage bottle, 21 slide plate, 22 water tank, 23 piston plate, 24 water inlet hose, 25 hollow rod, 26 fixing rod, 27 water outlet hose, 28 telescopic spring, 29 second rotating shaft, 30 sprocket, 31 chain, 32 pressing block, 33 force block, 34 mounting block, 35 straight rod, 36 guide port, 37 push rod, 38 plug rod, 39 rubber protrusion. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Reference Figure 1-Figure 10 A BIM-based building pipeline construction docking mechanism comprises a base 1, two sets of fixed pipe assemblies are arranged above the base 1, the fixed pipe assembly comprises a mounting ring 4, three positioning rods 5 and three inclined rods 6 respectively fixedly mounted on the surfaces of the three positioning rods 5, the outer ring wall of the mounting ring 4 is circumferentially provided with a plurality of through openings, the three positioning rods 5 are respectively slidably arranged in the plurality of through openings, a through opening 7 is opened on the surface of the inclined rod 6, a threaded rod 8 is horizontally rotatably mounted on the surface of the mounting ring 4, a moving ring 9 is threadedly sleeved on the threaded rod 8, a plurality of L-shaped sliding rods 10 are fixedly mounted on the outer ring wall of the moving ring 9 in a circumferential shape, one end of the plurality of sliding rods 10 respectively passes through the plurality of through openings 7, and the surface of the sliding rod 10 is in sliding contact with the wall of the through opening 7.

[0020] A round rod 2 is vertically fixedly installed on the upper surface of the base 1, and a vertical rod 11 is fixedly installed on the lower surface of the mounting ring 4. The bottom end of one of the vertical rods 11 is fixedly connected to the upper surface of the base 1, and a rotating plate 12 is fixedly installed on the bottom end of the other vertical rod 11. The rotating plate 12 is rotatably sleeved on the round rod 2.

[0021] First, the two pipes to be welded are respectively inserted into the two mounting rings 4, and then the threaded rod 8 is rotated to control the moving ring 9 to move the multiple sliding rods 10 horizontally. At this time, the multiple sliding rods 10 will slide in the multiple openings 7 respectively. Under the action of pressure, when the moving ring 9 moves the multiple sliding rods 10 toward the mounting ring 4, the multiple positioning rods 5 located on the side wall of the mounting ring 4 will move away from each other, and when the moving ring 9 moves the multiple sliding rods 10 away from the mounting ring 4, the multiple positioning rods 5 located on the side wall of the mounting ring 4 will move closer to each other, until the ends of the multiple positioning rods 5 that are close to each other are tightly against the surface of the pipe fitting, the positioning and clamping of the pipe fitting can be completed, the positioning work of pipe fittings of different sizes can be completed quickly, and at the same time, the two positioned pipe fittings can have high-precision centering, so that the axial center lines of the two pipe fittings coincide.

[0022] At the same time, the rotating plate 12 can be rotated to rotate one of the fixed pipe assemblies, so that the docking mechanism can also stably dock the joints of the bent pipes. The object that can be docked is no longer a straight pipe, which improves the applicability of the device.

[0023] An arc groove 3 with the round rod 2 as the center is formed on the upper surface of the base 1, and a support rod 13 is fixedly installed on the lower surface of the rotating plate 12. The bottom end of the support rod 13 is slidably arranged in the arc groove 3, and a spherical groove is formed. A ball 14 is roamingly embedded in the spherical groove, and the ball 14 is in rolling contact with the groove wall of the arc groove 3.

[0024] The rolling ball 14 can play a role in assisting the support of the rotating plate 12 . When the rotating plate 12 rotates, the rolling ball 14 will roll in contact with the groove wall of the arc groove 3 , so that no large friction force will be generated to hinder the rotation of the rotating plate 12 .

[0025] A rectangular opening 15 is formed at one end of the positioning rod 5 away from the oblique rod 6 . A first rotating shaft 16 is installed in the rectangular opening 15 for horizontal rotation. A roller 17 is fixedly sleeved on the first rotating shaft 16 .

[0026] When the multiple positioning rods 5 complete the fixation of the pipe fittings, the multiple rollers 17 will all abut against the surface of the pipe fittings, so that it is convenient to control the rotation of the pipe fittings after the ends of the two pipe fittings are connected, thereby avoiding the pipe fittings from being difficult to rotate due to the large sliding friction between the contact surfaces of the pipe fittings and the ends of the positioning rods 5.

[0027] An L-shaped connecting rod 18 is symmetrically fixedly installed on the upper surface of one of the positioning rods 5. This positioning rod 5 is located at the top of the mounting ring 4 fixedly connected to the base 1. A fixing ring 19 is fixedly installed on the end of the connecting rod 18. A water storage bottle 20 is fixedly installed in the fixing ring 19. A slide plate 21 is horizontally installed on the left and right side walls of the positioning rod 5 through a mounting component. A water tank 22 is opened at one end of the slide plate 21. A piston plate 23 is inserted in the water tank 22 for sliding sealing. A water inlet hose 24 is fixedly installed on the upper surface of the slide plate 21. The two water inlet hoses 24 are respectively connected to the two water storage bottles 20. The piston plate 23 is connected to the groove wall of the water tank 22 through a telescopic component. The telescopic component includes A telescopic spring 28, both ends of which are fixedly connected to one end of the piston plate 23 and the groove wall of the water tank 22 respectively. A hollow rod 25 is fixedly installed on the surface of the positioning rod 5. An insertion rod 38 is slidably inserted in the hollow rod 25. A fixed rod 26 is symmetrically fixedly installed on the surface of one end of the insertion rod 38. A water outlet hose 27 is fixedly installed at one end of the slide plate 21. The two fixed rods 26 are fixedly sleeved on the two water outlet hoses 27 respectively. A one-way valve is provided in the water outlet hose 27 and the water inlet hose 24. The conducting direction of the one-way valve in the water inlet hose 24 is from the water storage bottle 20 to the water tank 22, and the conducting direction of the one-way valve in the water outlet hose 27 is from the water tank 22 to the outside.

[0028] The piston plate 23 is controlled to move back and forth laterally through a pressure assembly, which includes a second rotating shaft 29 horizontally rotatably installed in one of the rectangular openings 15, two sprockets 30 and a chain 31, wherein one of the sprockets 30 is fixedly sleeved on the second rotating shaft 29, and the other sprocket 30 is fixedly sleeved on one of the first rotating shafts 16, and the chain 31 is meshed and wound around the two sprockets 30, and a plurality of pressure blocks 32 are fixedly installed at equal intervals on the outer surface of the chain 31, and a force block 33 is fixedly installed at one end of the piston plate 23 located outside the water tank 22, and the longitudinal sections of the force block 33 and the pressure block 32 are both isosceles triangles, and the inclined surface of the force block 33 is arranged face to face with the inclined surface of the pressure block 32.

[0029] When the positioning and clamping of the two pipe fittings is completed and before welding the joints of the two pipe fittings, firstly, the control rod 38 is moved horizontally in the hollow rod 25, so that the two fixed rods 26 respectively move with one end of the two water outlet hoses 27, until the ends of the two water outlet hoses 27 are moved to correspond to the positions of the joints of the pipe fittings. At this time, the pipe fittings are rotated and the joints of the pipe fittings are rotationally welded.

[0030] When the pipe is rotating, the roller 17 in rolling contact with the surface of the pipe will also rotate together, so that the first rotating shaft 16 will also rotate. Under the transmission action of the chain 31 and the two sprockets 30, the second rotating shaft 29 will also rotate, and the multiple pressure blocks 32 on the side walls of the chain 31 will operate together. During the movement of the multiple pressure blocks 32, the inclined surfaces thereof will intermittently slide in contact with the inclined surfaces of the force blocks 33 located on both sides of the chain 31. When the pressure blocks 32 abut against the force blocks 33, at this time, Under the action of the inclined surface pressure, the force block 33 will move the piston plate 23 in the direction away from the chain 31, and the telescopic spring 28 located in the water tank 22 will shrink. At this time, the space between the end of the piston plate 23 and the wall of the water tank 22 will decrease, and the pressure will increase. The water in the water tank 22 will spray out from the water outlet hose 27 and drip on the joint gap of the pipe fitting, and then slide down along the curved surface of the pipe fitting, so as to clean the surface of the pipe fitting joint to prevent impurities and dust from affecting the welding effect.

[0031] At the same time, since the pipe is rotating during the welding process, the water sprayed from the water outlet hose 27 will also act on the welded weld, thereby achieving the effect of timely cooling and avoiding the weldment being at a high temperature after welding is completed. If it is not cooled in time, the deformation of the weldment may continue to increase.

[0032] And when welding is completed, the weld and its surrounding area (heat affected zone) undergo complex structural changes due to heat. If the cooling rate of the heat affected zone is too slow, it will cause grain growth. Timely water spray cooling can speed up the cooling rate, inhibit grain growth, and refine the structure of the heat affected zone, which helps to improve the mechanical properties of the welded joint.

[0033] As the pressing block 32 moves, the pressing block 32 will gradually separate from the force-bearing block 33, and the force-bearing block 33 will gradually move and reset under the elastic potential energy of the telescopic spring 28 until it is no longer in contact with the pressing block 32. At this time, the space between the end of the piston plate 23 and the wall of the water tank 22 will increase, and the pressure will decrease, so that the water in the water storage bottle 20 will be replenished into the water tank 22 from the water inlet hose 24.

[0034] The mounting component includes an L-shaped mounting block 34 fixedly mounted on the side wall of the positioning rod 5 located at the top of the mounting ring 4 fixedly connected to the base 1. A sliding opening is opened on the surface of the mounting block 34, and the slide plate 21 is horizontally slidably arranged in the sliding opening. The outer ring wall of one of the mounting rings 4 is provided with a guide component, and the mounting ring 4 is fixedly connected to the base 1. The guide component is used to control the lateral relative movement of the two slide plates 21 during the vertical movement of the two slide plates 21. The guide component includes two straight rods 35 symmetrically and obliquely fixedly mounted on the outer ring wall of the mounting ring 4. A guide opening 36 is obliquely opened on the surface of the straight rod 35. A push rod 37 is fixedly mounted on the surface of the slide plate 21 close to the straight rod 35. The two push rods 37 are respectively slidably arranged in the two guide openings 36, and the surface of the push rod 37 is in sliding contact with the wall of the guide opening 36.

[0035] When positioning and clamping the pipe fitting, if the diameter of the pipe fitting is small, the distance between the inner ends of the multiple positioning rods 5 in the fixed pipe assembly located at the mounting ring 4 is shorter, and the size of the pipe joint will also be smaller. When the pipe fitting is larger, the distance between the ends of the multiple positioning rods 5 will be larger, and the size of the pipe joint will be larger.

[0036] When the upper positioning rod 5 moves upward, the distance between the inner ends of the plurality of positioning rods 5 located at the mounting ring 4 will gradually increase, and when the upper positioning rod 5 moves downward, the distance between the ends of the plurality of positioning rods 5 will gradually decrease.

[0037] When the positioning rod 5 located at the top moves vertically, it will move vertically with the two slide plates 21 and the two piston plates 23, and because the two push rods 37 will slide in the two guide openings 36 respectively, when the positioning rod 5 moves upward, under the guiding action of the guide openings 36, the two slide plates 21 will move laterally closer to each other, and the contact area between the force blocks 33 at the ends of the two piston plates 23 and the pressing blocks 32 will increase, so that when pressing, the piston plates 23 will move a longer distance in the water tank 22, and more water will be squeezed out of the water tank 22.

[0038] When the positioning rod 5 moves downward, under the guidance of the guide port 36, the two slide plates 21 will move laterally away from each other, and the contact area between the force blocks 33 at the ends of the two piston plates 23 and the pressing blocks 32 will be reduced. Therefore, when pressing, the distance moved by the piston plates 23 in the water tank 22 will be shortened, so that less water will be squeezed out of the water tank 22.

[0039] The amount of water sprayed can be automatically adjusted according to the diameter of the positioned pipe. When the diameter of the pipe is larger, the size of the pipe joint is also larger, and the amount of water sprayed will be more at this time, so as to avoid the situation where too little water is sprayed and the weld cannot be effectively cooled. When the diameter of the pipe is smaller, the size of the pipe joint is also smaller, and the amount of water sprayed will be less at this time, so as to avoid the waste of water resources.

[0040] The inner rod wall of the hollow rod 25 is fixedly mounted with a plurality of rubber protrusions 39 in a circular shape. The surface of the plug rod 38 is in sliding contact with the surface of the rubber protrusions 39. The rubber protrusions 39 have good elasticity and viscosity, thereby increasing the friction between the contact surfaces of the plug rod 38 and the hollow rod 25, thereby preventing the plug rod 38 from being affected by external forces during the welding process and moving with the ends of the two water outlet hoses 27, thereby causing the ends of the water outlet hoses 27 to no longer correspond to the position of the pipe joint.

[0041] In the present invention, when the pipe fittings are butted, the end of one of the pipe fittings is first passed through one of the mounting rings 4, and then the threaded rod 8 is rotated to control the movement of multiple positioning rods 5 on the side wall of the mounting ring 4 until the ends of the multiple positioning rods 5 are all butted against the surface of the pipe fitting, thereby completing the positioning and clamping of the pipe fitting, and then the end of the other pipe fitting is passed through another mounting ring 4, and the end is butted against the end of the positioned pipe fitting, and then the threaded rod 8 is rotated again to control the movement of the multiple positioning rods 5, and the pipe fitting is positioned and clamped. Since the height positions of the two mounting rings 4 are consistent, and the multiple positioning rods 5 used for positioning and clamping are arranged in a circular shape on the side wall of the mounting ring 4, when the two sets of fixed pipe assemblies complete the positioning of the two pipe fittings and butt their ends, the axial center lines of the two pipe fittings can be coincided, with high-precision centering, avoiding position deviation during butt jointing, and improving the quality of the finished product after welding.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A BIM-based building pipeline construction docking mechanism, comprising a base (1), characterized in that: Two groups of fixed pipe assemblies are arranged above the base (1), and the fixed pipe assemblies include a mounting ring (4), three positioning rods (5) and three inclined rods (6) respectively fixedly mounted on the surfaces of the three positioning rods (5); the outer ring wall of the mounting ring (4) is provided with a plurality of through openings in a circular shape, and the three positioning rods (5) are respectively slidably arranged in the plurality of through openings; the surface of the inclined rod (6) is provided with a through opening (7); a threaded rod (8) is horizontally rotatably mounted on the surface of the mounting ring (4); a moving ring (9) is threadedly sleeved on the threaded rod (8); a plurality of L-shaped sliding rods (10) are fixedly mounted on the outer ring wall of the moving ring (9) in a circular shape, and one end of the plurality of sliding rods (10) respectively passes through the plurality of through openings (7), and the surface of the sliding rod (10) is in sliding contact with the wall of the through opening (7); A round rod (2) is vertically fixedly mounted on the upper surface of the base (1), and a vertical rod (11) is fixedly mounted on the lower surface of the mounting ring (4), wherein the bottom end of one of the vertical rods (11) is fixedly connected to the upper surface of the base (1), and a rotating plate (12) is fixedly mounted on the bottom end of the other vertical rod (11), and the rotating plate (12) is rotatably sleeved on the round rod (2).

2. According to the BIM-based building pipeline construction docking mechanism according to claim 1, it is characterized in that: The upper surface of the base (1) is provided with an arc groove (3) with the round rod (2) as the center, and the lower surface of the rotating plate (12) is fixedly mounted with a support rod (13), the bottom end of the support rod (13) is slidably arranged in the arc groove (3), and a spherical groove is provided, in which a rolling ball (14) is rounably embedded, and the rolling ball (14) is in rolling contact with the groove wall of the arc groove (3).

3. The BIM-based building pipeline construction docking mechanism according to claim 1 is characterized in that: A rectangular opening (15) is formed at one end of the positioning rod (5) away from the oblique rod (6), a first rotating shaft (16) is horizontally rotatably mounted in the rectangular opening (15), and a roller (17) is fixedly sleeved on the first rotating shaft (16).

4. The BIM-based building pipeline construction docking mechanism according to claim 3 is characterized in that: An L-shaped connecting rod (18) is symmetrically fixedly mounted on the upper surface of one of the positioning rods (5), a fixing ring (19) is fixedly mounted on the end of the connecting rod (18), a water storage bottle (20) is fixedly mounted in the fixing ring (19), a slide plate (21) is horizontally mounted on the left and right side walls of the positioning rod (5) via a mounting component, a water groove (22) is formed at one end of the slide plate (21), a piston plate (23) is inserted in the water groove (22) in a sliding seal, a water inlet hose (24) is fixedly mounted on the upper surface of the slide plate (21), and the two water inlet hoses (24) are respectively connected to the two water storage bottles (20). The piston plate (23) is connected to the wall of the water tank (22) through a telescopic component, a hollow rod (25) is fixedly mounted on the surface of the positioning rod (5), an insertion rod (38) is slidably inserted in the hollow rod (25), a fixing rod (26) is symmetrically fixedly mounted on one end surface of the insertion rod (38), a water outlet hose (27) is fixedly mounted on one end of the slide plate (21), two fixing rods (26) are respectively fixedly sleeved on two water outlet hoses (27), one-way valves are provided in the water outlet hose (27) and the water inlet hose (24), and the piston plate (23) is controlled to move back and forth horizontally through a pressing component.

5. The BIM-based building pipeline construction docking mechanism according to claim 4 is characterized in that: The telescopic component comprises a telescopic spring (28), and two ends of the telescopic spring (28) are respectively fixedly connected to one end of the piston plate (23) and a groove wall of the water groove (22).

6. The BIM-based building pipeline construction docking mechanism according to claim 5 is characterized in that: The pressure component comprises a second rotating shaft (29) horizontally rotatably mounted in one of the rectangular openings (15), two sprockets (30) and a chain (31), wherein one of the sprockets (30) is fixedly sleeved on the second rotating shaft (29), and the other sprocket (30) is fixedly sleeved on one of the first rotating shafts (16); the chain (31) is meshed and wound around the two sprockets (30); a plurality of pressure blocks (32) are fixedly mounted at equal intervals on the outer surface of the chain (31); a force block (33) is fixedly mounted on one end of the piston plate (23) located outside the water tank (22); the longitudinal sections of the force block (33) and the pressure block (32) are both isosceles triangles; the inclined surface of the force block (33) is arranged face to face with the inclined surface of the pressure block (32).

7. The BIM-based building pipeline construction docking mechanism according to claim 4 is characterized in that: The mounting component comprises an L-shaped mounting block (34) fixedly mounted on the side wall of a positioning rod (5) located at the top of a mounting ring (4) fixedly connected to the base (1); a sliding opening is provided on the surface of the mounting block (34); the slide plate (21) is horizontally slidably arranged in the sliding opening; an outer ring wall of one of the mounting rings (4) is provided with a guide component, and the guide component is used to control the two slide plates (21) to move relative to each other horizontally during the vertical movement of the two slide plates (21).

8. The BIM-based building pipeline construction docking mechanism according to claim 7 is characterized in that: The guide component comprises two straight rods (35) symmetrically and obliquely fixedly mounted on the outer ring wall of the mounting ring (4); a guide opening (36) is obliquely opened on the surface of the straight rod (35); a stopper (37) is fixedly mounted on the surface of the slide plate (21) close to the straight rod (35); the two stoppers (37) are respectively slidably arranged in the two guide openings (36); and the surface of the stopper (37) is in sliding contact with the wall of the guide opening (36).

9. The BIM-based building pipeline construction docking mechanism according to claim 4 is characterized in that: The conducting direction of the one-way valve in the water inlet hose (24) is from the water storage bottle (20) to the water tank (22), and the conducting direction of the one-way valve in the water outlet hose (27) is from the water tank (22) to the outside.

10. The BIM-based building pipeline construction docking mechanism according to claim 4, characterized in that: The inner rod wall of the hollow rod (25) is fixedly mounted with a plurality of rubber protrusions (39) in a circumferential shape, and the surface of the insertion rod (38) is in sliding contact with the surface of the rubber protrusions (39).

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